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path: root/drivers/s390/crypto/zcrypt_pcica.c
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Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcica.c')
-rw-r--r--drivers/s390/crypto/zcrypt_pcica.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
index 2f220208da63..6af9c9fd39b1 100644
--- a/drivers/s390/crypto/zcrypt_pcica.c
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -258,10 +258,8 @@ static void zcrypt_pcica_receive(struct ap_device *ap_dev,
int length;
/* Copy the reply message to the request message buffer. */
- if (IS_ERR(reply)) {
- memcpy(msg->message, &error_reply, sizeof(error_reply));
- goto out;
- }
+ if (!reply)
+ goto out; /* ap_msg->rc indicates the error */
t84h = reply->message;
if (t84h->code == TYPE84_RSP_CODE) {
length = min(PCICA_MAX_RESPONSE_SIZE, (int) t84h->len);
@@ -302,10 +300,12 @@ static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev,
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
- if (rc == 0)
- rc = convert_response(zdev, &ap_msg, mex->outputdata,
- mex->outputdatalength);
- else
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response(zdev, &ap_msg, mex->outputdata,
+ mex->outputdatalength);
+ } else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
@@ -341,10 +341,12 @@ static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev,
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&work);
- if (rc == 0)
- rc = convert_response(zdev, &ap_msg, crt->outputdata,
- crt->outputdatalength);
- else
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response(zdev, &ap_msg, crt->outputdata,
+ crt->outputdatalength);
+ } else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free: